ASTM A209 Steel vs. ASTM A372 Grade J Steel
Both ASTM A209 steel and ASTM A372 grade J steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is ASTM A372 grade J steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 150 | |
| 200 to 310 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 34 | |
| 17 to 22 |
| Fatigue Strength, MPa | 180 to 200 | |
| 310 to 570 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 73 |
| Shear Strength, MPa | 280 to 310 | |
| 410 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 650 to 1020 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 430 to 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 420 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 50 | |
| 44 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 to 8.2 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 2.4 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.5 |
| Embodied Energy, MJ/kg | 20 | |
| 20 |
| Embodied Water, L/kg | 47 | |
| 51 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 130 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 500 to 1930 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 23 to 36 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 21 to 29 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 19 to 30 |